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Official Journal of the Japan Wood Research Society

Table 2 Abbreviations for manufactured 30-mm-thick boards (pressing time: 10 min) and detailed manufacturing conditions

From: Properties of particleboard manufactured using an air-injection radio-frequency hot press

Abbreviations

Density (g/cm3)

Pressing method

Board manufactured

Variable condenser after radio-frequency heating (%)

Heating time of radio frequency

Moisture after pressing

H board

0.6

H

Failure

H board

0.7

H

Failure

H board

0.8

H

Failure

RH board

0.6

RH

Success

95

9 min 55 s

B

RH board

0.7

RH

Success

94

9 min 55 s

B

RH board

0.8

RH

Success

95

9 min 55 s

B

ARH board

0.6

ARH

Success

100

4 min 30 s

A

ARH board

0.7

ARH

Success

100

6 min 30 s

A

ARH board

0.8

ARH

Success

100

9 min 20 s

A

  1. H hot press, RH radio-frequency hot press, ARH air-injection radio-frequency hot press, failure a board could not be manufactured, success a board could be manufactured, A dried up completely (variable condenser = 100 %), B some moisture remains in the board (variable condenser <100 %)